MeltyPlayer / MeltyTool / 20982513833

    public SceneNodeInstanceImpl(SceneNodeInstanceImpl? parent,

                                 IReadOnlySceneNode sceneObject) {

      this.sceneObject_ = sceneObject;

      this.Transform = new Transform3d(parent?.Transform);

      this.Transform.LocalTranslation = sceneObject.Position;

      this.Transform.LocalRotation = QuaternionUtil.Create(sceneObject.Rotation);

      this.Transform.LocalScale = sceneObject.Scale;

      this.ChildNodes = sceneObject.ChildNodes

                                   .Select(n => new SceneNodeInstanceImpl(

                                               this,

                                               n))

                                   .ToArray();

    }

    ~SceneNodeInstanceImpl() => this.ReleaseUnmanagedResources_();

    public void Dispose() {

      this.ReleaseUnmanagedResources_();

      GC.SuppressFinalize(this);

    }

    private void ReleaseUnmanagedResources_() {

      foreach (var child in this.ChildNodes) {

        child.Dispose();

      }

    }

    public IReadOnlySceneNode Definition => this.sceneObject_;

    public IReadOnlyList<ISceneNodeInstance> ChildNodes { get; }

    public Transform3d Transform { get; }

    public void Tick() {

      foreach (var component in this.sceneObject_.Components) {

        if (component is ISceneNodeTickComponent tickComponent) {

          tickComponent.Tick(this);

        }

      }

      foreach (var child in this.ChildNodes) {

        child.Tick();

      }

    }